UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP ( ) Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instructions 1(b). 1. Name and Address of Reporting Person Evans, Donald S. 6060 S. Willow Drive Greenwood Vilage, CO 80111 U.S.A. 2. Issuer Name and Ticker or Trading Symbol CH2M Hill Companies, Ltd. Issuer is not traded on an Exchange 3. IRS or Social Security Number of Reporting Person (Voluntary) 4. Statement for Month/Year 9/6/02 5. If Amendment, Date of Original (Month/Year) 6. Relationship of Reporting Person(s) to Issuer (Check all applicable) (X) Director ( ) 10% Owner (X) Officer (give title below) ( ) Other (specify below) Senior Vice President 7. Individual or Joint/Group Filing (Check Applicable Line) (X) Form filed by One Reporting Person ( ) Form filed by More than One Reporting Person

Explanation of Responses: (1) Amount of common stock owned as of September 6, 2002. (2) Donald S. Evans executed a Power of Attorney, a copy of which has previously been filed with the Securities and Exchange Commission, that authorizes S. Wyatt McCallie or Margaret B. McLean to sign this Form 4 on his behalf. SIGNATURE OF REPORTING PERSON Margaret B. McLean - Attorney-in-fact(2) DATE September 9, 2002

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